Home / 870,686.06-1,201,576.82-483,507.96

Finding the Fourth Proportional to 870,686.06, 1,201,576.82 and 483,507.96

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Solution

The fourth proportional to 870,686.06, 1,201,576.82 and 483,507.96 is: 667,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,686.06 : 1,201,576.82 = 483,507.96 : x
  2. Step 2: Convert to fraction form
    870,686.06/1,201,576.82 = 483,507.96/x
  3. Step 3: Cross multiply
    870,686.06x = 1,201,576.82 × 483,507.96
  4. Step 4: Simplify right side
    870,686.06x = 580,971,957,021.49
  5. Step 5: Solve for x
    x = 580,971,957,021.49/870,686.06
  6. Step 6: Final answer
    x = 667,257.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.